Only in plane Euclidean geometry and only for triangles
Angles on a straight line add up to 180 degrees or the 3 interior angles of a triangle add up to 180 degrees
Angles on a straight line add up to 180 degrees or the 3 interior angles of a triangle add up to 180 degrees
Interior angles add up to 180 degrees Exterior angles add up to 360 degrees
The interior angles total up to 180 degrees and the exterior angles total up to 360 degrees.
The three interior angles of a triangle add up to 180 degrees.
The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.
With a protractor remembering that interior angle and exterior angle add up to 180 degrees because angles on a straight line add up to 180 degrees. The 3 interior angles of any triangle add up to 180 degrees and their 3 exterior angles add up to 360 degrees.
A triangle has three interior angles, adding up to 180 degrees.
The sum of the interior angles is found by: (number of sides-2)*180 degrees Exterior angles add up to 360 degrees Angles on a straight line add up to 180 degrees
No. The interior angles of a TRIANGLE add up to 180 degrees.For a quadrilateral, there are four interior angles, and they add up to 360 degrees.
the sum of the interior angles in a triangle is 180 degrees.
The interior angles of a triangle add up to 180 degrees